Opera palette
North Inn
North Inn runs #004367 through #006ba2, #2e86bf, #5095c6 to #6cb1e4 in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
skyoperafive-stophigh-contrast
#004367
#006ba2
#2e86bf
#5095c6
#6cb1e4
The generator opens with #004367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.